crista terminalis


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crista terminalis of right atrium

[TA]
a vertical crest on the interior wall of the right atrium that lies to the right of the sinus of the vena cava and separates this from the remainder of the right atrium.

crista terminalis

See terminal crest.
References in periodicals archive ?
Electroanatomical studies have demonstrated that scar tissue in the crista terminalis and in the right atrium are not conductive, and that these scar tissues predispose intraatrial reentrant tachyarrhythmias (8, 9).
With endocardial mapping, breakthroughs were found to originate along the crista terminalis or more dorsally on the right side of the interatrial septum close to the dorsal component of the overlying right atrial ganglionated plexus (RAGP).